20580127 has 2 divisors, whose sum is σ = 20580128. Its totient is φ = 20580126.

The previous prime is 20580113. The next prime is 20580163. The reversal of 20580127 is 72108502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20580127 is a prime.

It is a super-2 number, since 2×20580127² = 847083254672258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20580107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10290063 + 10290064.

It is an arithmetic number, because the mean of its divisors is an integer number (10290064).

Almost surely, 2^20580127 is an apocalyptic number.

20580127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20580127 is an equidigital number, since it uses as much as digits as its factorization.

20580127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 20580127 is about 4536.5324863821. The cubic root of 20580127 is about 274.0412985861.

Adding to 20580127 its reverse (72108502), we get a palindrome (92688629).

The spelling of 20580127 in words is "twenty million, five hundred eighty thousand, one hundred twenty-seven".